MOON DOOM

The Silent Nuns
The city of Abbadox is under the malediction of the Moon. Anyone who speaks words out loud is instantly stuck down by the Moon's ill will. With their vows of silence, devoted nuns are called to take up arms in the fight against the monsters who now roam the streets. Be quick and quiet, and never speak your prayers out loud.
Infinite ammo and target-locking
Moon Doom is built around a controller-friendly target-locking system, which automatically keeps your crosshair fixed on any enemy of your choosing. Ammunition is endless, and every weapon in the game can keep blasting until you let go of the trigger. This design ethos moves away from aiming and conserving ammo, and highlights exploration and labyrinthian levels. Find new paths, loop back around, solve mysteries. Moon Doom is a game where combat happens on the way to where you're going.
3-Dimensional Metroidvania
Five floors of sprawling city to explore, in a non-linear order

Several main-hand weapons for shooting enemies, including pistols, shotguns and rocket-launchers 

Off-hand items and passive abilities to unlock new paths and secret areas, including a grappling hook, and the power to walk on water or see the invisible. 

Unhinged enemy types, from basic skeletons to massive graveyard bosses